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词汇 axon
释义

Definition of axon in English:

axon

noun ˈaksɒnˈakˌsän
  • The long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

    (神经)轴突。比较DENDRITE

    Compare with dendrite
    Example sentencesExamples
    • All axons from the enteric nerve cells lack a myelin sheath.
    • In contrast to the innervation of the proximal esophagus, axons from vagal neurons synapse within ganglia of the myenteric plexus.
    • Neurites are the long projections of nerve cell bodies called axons and dendrites.
    • If aluminium causes direct neuronal death, why would this lead to slowing of conduction along the axons of the optic nerves?
    • The nerve fibres in the optic tract (the axons of retinal ganglion cells) terminate in two main areas of the brain.
    Synonyms
    nerve fibre

Derivatives

  • axonal

  • adjective
    • The viral capsid is transported to the dorsal root ganglion in neurons via retrograde axonal flow.
      Example sentencesExamples
      • None of the cases had strongly beta-APP-immunoreactive beaded or swollen axonal segments indicative of axonal damage.
      • It is also possible, however, that direct compression of axons may induce axonal damage independent of Schwann cell dysfunction.
      • Because the newly engineered drug would be so target-specific, virtually all of it could act only within the nerve cell's axonal region, making it an efficient fix in small doses.
      • In conclusion, optic nerve axonal injury appears to be a frequent finding in infants who have sustained acceleration-deceleration whiplash-type trauma.

Origin

Mid 19th century (denoting the body axis): from Greek axōn 'axis'.

Definition of axon in US English:

axon

nounˈakˌsän
  • The long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

    (神经)轴突。比较DENDRITE

    Compare with dendrite
    Example sentencesExamples
    • If aluminium causes direct neuronal death, why would this lead to slowing of conduction along the axons of the optic nerves?
    • Neurites are the long projections of nerve cell bodies called axons and dendrites.
    • In contrast to the innervation of the proximal esophagus, axons from vagal neurons synapse within ganglia of the myenteric plexus.
    • The nerve fibres in the optic tract (the axons of retinal ganglion cells) terminate in two main areas of the brain.
    • All axons from the enteric nerve cells lack a myelin sheath.
    Synonyms
    nerve fibre

Origin

Mid 19th century (denoting the body axis): from Greek axōn ‘axis’.

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